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Tytuł:
Hybrydowy model priorytetyzacji technologii
Autorzy:
Chodakowska, Ewa
Orłowski, Cezary
Szewczyk, Roman
Powiązania:
https://bibliotekanauki.pl/books/2096164.pdf
Data publikacji:
2019
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Opis:
W monografii zaprezentowano hybrydowy model priorytetyzacji technologii będący oryginalną propozycją rozwiązania złożonego zagadnienia zorientowanej na przyszłość porównawczej oceny technologii przeprowadzanej w sytuacji braku możliwości jednoznacznego określenia parametrów i potencjału technologii oraz wynikającej z tego niepewności. W modelu zaproponowano synergiczne połączenie metod zbiorów przybliżonych (Rough Set) i analizy obwiedni danych (Data Envelopment Analysis – DEA). Prezentację struktury modelu poprzedza przegląd i synteza stanu wiedzy w zakresie metod dotychczas stosowanych w ocenie technologii. Zidentyfikowany brak badań i wiedzy dotyczących wykorzystania modeli hybrydowych w procesie priorytetyzacji technologii – a w szczególności łączących teorię zbiorów przybliżonych oraz metody badań operacyjnych w celu zwiększenia obiektywizmu oceny oraz ograniczenia arbitralności decyzyjnej przy ujmowaniu subiektywnych opinii – był motywem opracowania i zbadania możliwości hybrydowego modelu. W monografii przedstawiono także fundamentalia teorii zbiorów przybliżonych i metody DEA tworzące teoretyczną podbudowę ich syntezy w hybrydowym modelu.
The monograph presents a hybrid model of technology prioritisation, which is an original proposal to solve the complex issue of a comparative future-oriented technology assessment carried out in the situation of vague determination of parameters, technology potential and the resulting uncertainty. The model proposes a synergistic combination of Rough Sets and Data Envelopment Analysis (DEA). The presentation of the model structure is preceded by a review and synthesis of state of the art in the field of methods that have been used in technology assessment. The identified lack of research and knowledge regarding the use of hybrid models in the process of technology prioritisation – and, in particular, integrating Rough Sets theory and operational research methods to increase the objectivity of evaluation and reduce decision-making arbitrariness while analysing subjective opinions, was the motivation to develop and explore the capabilities of the hybrid model. The monograph also presents the foundations of the Rough Set Theory and DEA methods that form the theoretical framework for their synthesis in the hybrid model. The hybrid model uses: (i) the concept of reducts from the Rough Set Theory to limit the number of criteria; (ii) lower and upper approximation of the sets to model uncertainty; (iii) linear optimisation algorithms from the DEA method for objective determination of criteria weights; (iv) the relation of the DEA method efficiency to formulate the assessment score. The proposed assessment process by the hybrid model includes three basic stages: (i) the formulation of the technology assessments data set; (ii) the removal of the redundancy of the assessment criteria on the basis of the indiscernibility relations and the concept of reducts defined in the Rough Set Theory; (iii) the development of the rough variables that capture the vagueness or uncertainty and the prioritization using the SE-DEA model. The use of the hybrid model implies the consideration of two variants of the assessment: optimistic and pessimistic, formulated based on a lower and upper approximation of the rough variables. The model’s algorithms have been presented using the universal language of mathematical equations and UML schemes. An empirical application of the hybrid model to the real data of the technological foresight project «NT FOR Podlaskie 2020» Regional Strategy of Nanotechnology Development positively verified the assumed effects of its use. The advantage of the hybrid prioritisation model is that it justifies the choice of technology more rationally and objectively, simplifies interpretation and better validates the results from the perspective of decision makers. The hybrid model can be treated as a reference one in complex problems of multi-criteria comparative assessment of a large set of technologies that can be characterised using a unified, earlier defined set of attributes that describe the technology or their interrelations as well as the interactions without limitation to the specifics of the technology. The proposed model may facilitate the prioritisation of technologies in conditions of uncertainty and increase the efficiency of using private and public funds for research and development related to the implementation of future production solutions in Poland following the Industry 4.0 concept.
Dostawca treści:
Biblioteka Nauki
Książka
Tytuł:
Uwarunkowania ucyfrowienia procesów produkcji i wzrostu kompetencji cyfrowych społeczeństwa
Autorzy:
Gudanowska, Alicja
Kononiuk, Anna
Szewczyk, Roman
Ślusarczyk, Beata
Siderska, Julia
Dębkowska, Katarzyna
Powiązania:
https://bibliotekanauki.pl/books/2028443.pdf
Data publikacji:
2020-06-18
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Opis:
The aim of the research conducted and demonstrated in the monograph was to develop possible visions for the development of digitisation of production processes and digital competences of the society in the perspective of 2030. In order to achieve this goal, the STEEPVL analysis was carried out and scenario analysis according to the school of intuitive logic was adopted. As a result, a list of factors influencing the digitisation of production processes and the increase in digital competences of the society was obtained. The assessment of the factors in terms of importance and uncertainty of their development in the perspective of 2030 led to four qualitatively different scenarios of the analysed phenomena. The monograph consists of seven chapters. The first one presents digitisation as a global economic trend. It depicts publication trends in the area of digitisation developed with the use of VOSviewer software and outlines the essence of digitisation. The second chapter demonstrates the research methodology based on the intuitive logic school of scenario construction. The third chapter focuses on the presentation of the results of the STEEPVL analysis in the area of production digitisation, which identified 41 factors influencing the research area. The fourth chapter depicts the process of identifying key factors and a description of selected scenarios for the digitisation of production processes. The fifth chapter focuses on presenting the results of STEEPVL analysis in the area of digital competence. The essence of the sixth chapter is to bring readers closer to the process of identifying key factors in the area of digital competences and to demonstrate selected scenarios for the development of digital competences in the perspective of 2030. The seventh chapter of the paper offers detailed recommendations aimed at making the desired scenarios in the area of digitisation of the production process and digital competences of the society plausible. The results of the research and observations demonstrated in this monograph may provide useful guidelines for understanding both the very phenomenon of development of digital competence of the society and its determinants. The conclusions presented in the monograph allow also to look at the analysed phenomena from the perspective of possible directions of their development, because they provide a description of four qualitatively different scenarios of the future of digitisation processes and increase of digital competences of the society. This work may also be useful for researchers interested in exploring the future and methodology of such research and the theme of digitisation of production processes as well as digital competence enhancement. Potential addressees of this monograph may also be entrepreneurs, students of management, IT and technical faculties.
Dostawca treści:
Biblioteka Nauki
Książka
Tytuł:
Sensitivity Limits and Functional Characteristics of Fluxgate Sensors with Rod-Shaped Magnetic Cores
Granice czułości i charakterystyki funkcjonalne czujników fluxgate z rdzeniami magnetycznymi w kształcie prętów
Autorzy:
Kopala, Dominika
Ostaszewska-Liżewska, Anna
Szewczyk, Roman
Powiązania:
https://bibliotekanauki.pl/articles/2090887.pdf
Data publikacji:
2022
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
fluxgate sensors
demagnetization coefficient
magnetic permeability
czujniki fluxgate
współczynnik demagnetyzacji
przenikalność magnetyczna
Opis:
Highly sensitive fluxgate magnetic field sensors with rod-shaped cores are widely used for non-destructive testing as well as for industrial applications. However, in case of both Foerster and Vacquier (two-core sensors configurations), fluxgate sensors sensitivity is directly connected with the relative magnetic permeability of the sensor’s core. It should be highlighted that the magnetic permeability of rod-shaped magnetic cores is driven mainly by the demagnetization factor determined by its slenderness (aspect ratio). The paper presents the analyses of sensitivity limits of fluxgate sensors with rod-shaped cores. On the base of estimations of demagnetization factor specific for fluxgate sensors, it is shown that in case of rod-shaped cores, the sensor’s sensitivity is connected with the shape of the core rather than its relative magnetic permeability. This conclusion is essential during the development and optimization of functional characteristics of fluxgate sensors.
Bardzo czułe sensory pola magnetycznego typu fluxgate z rdzeniami w kształcie prętów są szeroko stosowane w badaniach nieniszczących, jak również w zastosowaniach przemysłowych. Jednak zarówno w przypadku czujnika w konfiguracji Foerster’a, jak i Vacquier’a (obie konfiguracje dotyczą sensorów dwurdzeniowych) ich czułość jest bezpośrednio związana ze względną przenikalnością magnetyczną rdzeni. Należy podkreślić, że o przenikalności magnetycznej prętowych rdzeni magnetycznych decyduje przede wszystkim współczynnik rozmagnesowania określony przez jego smukłość (proporcje). W artykule przedstawiono analizę granic czułości sensorów typu fluxgate z rdzeniami prętowymi. Na podstawie oszacowań współczynnika rozmagnesowania charakterystycznego dla czujników typu fluxgate wykazano, że w przypadku rdzeni prętowych czułość sensora związana jest raczej z kształtem rdzenia niż z jego względną przenikalnością magnetyczną. Wniosek ten jest szczególnie ważny podczas opracowywania i optymalizacji charakterystyk funkcjonalnych czujników fluxgate.
Źródło:
Pomiary Automatyka Robotyka; 2022, 26, 2; 29--33
1427-9126
Pojawia się w:
Pomiary Automatyka Robotyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Improved Control of Mesh Density in Adaptive Tetrahedral Meshes for Finite Element Modeling
Udoskonalona kontrola gęstości siatki w adaptacyjnych siatkach tetrahedralnych dla metody elementów skończonych
Autorzy:
Ostaszewska-Liżewska, Anna
Kopala, Dominika
Szewczyk, Roman
Powiązania:
https://bibliotekanauki.pl/articles/2090885.pdf
Data publikacji:
2022
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
adaptive meshing
tetrahedral meshing
FEM modeling
magnetodynamic systems
siatki adaptacyjne
siatki tetrahedralne
modelowanie MES
układy magnetodynamiczne
Opis:
Tetrahedral meshing is the critical element of finite element modeling. Recently, adaptive meshing has been commonly used. In such meshing, according to the Delaunay method, mesh density is connected with the curvature of modeled object’s edge. Such a method is especially efficient during the modeling of mechanical systems. However, the efficiency of commonly used meshing algorithms is strongly limited in surface-focused phenomena, such as eddy current induced by magneto-dynamic processes. The paper proposes the improved method of Delaunay meshing considering the specific requirements of magnetodynamic systems. In the proposed method, tetrahedral mesh density may be flexibly modified according to the needs of modeled physical phenomena, such as eddy current density. As a result, physical effects may be efficiently and accurately described in finite element models. The paper presents the example of implementing the proposed solution for cylindrical wire. The complete source code is available as open-source software for further practical use and development.
Siatki tetrahedralne są kluczowym elementem w metodzie elementów skończonych. Ostatnio powszechnie stosowane są siatki adaptacyjne, w których zgodnie z metodą Delaunay’a gęstość powiązana jest z krzywizną krawędzi modelowanego obiektu. Metoda ta jest wyjątkowo efektywna w przypadku modelowania układów mechanicznych. Niemniej jednak wydajność powszechnie stosowanych metod siatkowania jest mocno ograniczona w przypadku zjawisk skupionych na powierzchni modelu, takich jak prądy wirowe indukowane przez procesy magnetodynamiczne. Artykuł przedstawia propozycję ulepszonej metody siatkowania metodą Delaunay’a, uwzględniającą specyficzne wymagania układów magnetodynamicznych. W proponowanej metodzie gęstość siatki tetrahedralnej może być elastycznie modyfikowana odpowiednio do potrzeb modelowanego zjawiska, takiego jak gęstość prądów wirowych. W rezultacie efekty fizyczne mogą być efektywnie i dokładnie opisane za pomocą modeli stworzonych metodą elementów skończonych. W artykule przedstawiono przykład implementacji zaproponowanego rozwiązania dla przewodu cylindrycznego. Pełny kod źródłowy dostępny jest w formie otwartej licencji do dalszego rozwoju i użycia w praktyce.
Źródło:
Pomiary Automatyka Robotyka; 2022, 26, 2; 23--28
1427-9126
Pojawia się w:
Pomiary Automatyka Robotyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Heat transfer model of a small size satellite on geostationary orbit
Autorzy:
Preumont, Philippe
Szewczyk, Roman
Wittels, Paweł
Czubaczyński, Filip
Powiązania:
https://bibliotekanauki.pl/articles/950918.pdf
Data publikacji:
2019
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
simplified thermal model
FEM modelling
Nastran InCAD
harmonic gear
heat transfer
Opis:
The purpose of the study is to compute an approached satellite thermal model to be able to estimate the heat transfer and the maximum temperature through the harmonic gear for small size geostationary satellite. We use finite element method using known data with Nastran In-CAD FEM software. The presented results show temperature gradients compatible with experimental information. Though the results are not correlated with dedicated tests, they seems to be in line with what can be found in literature. The paper use these information in dedicated analysis related to impact of temperature gradient in precision mechanism. The second purpose of the study is to show that simplified tools and methods allows to reach results sufficient for preliminary analysis. The space business is changing fast with growing private companies that are challenging conservative space standards. A simplified analysis allowing to reduce cost and increase competitiveness is presented.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2019, 13, 3; 14-26
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Instruments financed by the regional policy
Autorzy:
Soboń, Janusz
Szewczyk, Roman
Powiązania:
https://bibliotekanauki.pl/articles/438837.pdf
Data publikacji:
2010
Wydawca:
Uniwersytet Pedagogiczny im. Komisji Edukacji Narodowej w Krakowie
Tematy:
instruments financed
regional policy
Opis:
The article describes the impact of financial integration on regional policies, instruments and types of financial instruments from the previous and current programming period in order to promote Polish regional policy.
Źródło:
Prace Komisji Geografii Przemysłu Polskiego Towarzystwa Geograficznego; 2010, 15; 229-234
2080-1653
Pojawia się w:
Prace Komisji Geografii Przemysłu Polskiego Towarzystwa Geograficznego
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Bezstronność światopoglądowa a obecność symboli religijnych w instytucjach publicznych
Worldview Impartiality and the Presence of Religious Symbols in Public Institutions
Autorzy:
Szewczyk, Roman
Powiązania:
https://bibliotekanauki.pl/articles/30146557.pdf
Data publikacji:
2022-12-30
Wydawca:
Wydawnictwo Diecezjalne Adalbertinum
Tematy:
impartiality of public authorities
religious symbols
neutrality
public authority
Opis:
The Constitution of the Republic of Poland of 1997 formulated the principle of religious, ideological and philosophical impartiality of public authorities, which, apart from the principle of equal rights for churches and other religious associations, determines the Polish model of state-church relations. Impartiality in matters of religious, ideological and philosophical beliefs concerns public authorities, not the state as the political structure of the nation. Public authorities in the Republic of Poland, both individual and collective, are created by persons with specific religious, ideological and philosophical beliefs. Therefore, taking into account the respect for the freedom of conscience and religion of persons performing the functions of authorities, as well as the principle of impartiality of public authorities, the formula of open neutrality should be preserved in a democratic state of law, according to which public authorities are obliged to equal treatment of all people, regardless of their beliefs, on the other hand, they refrain from accepting the principles of one religion, worldview or philosophy, also those of an atheistic or agnostic nature. It should be emphasized that, contrary to the demands of various groups to remove the cross from public space, its presence is not a contradiction or a violation of the constitutional principle of impartiality of public authorities in matters of religious beliefs.
Źródło:
Studia Ełckie; 2022, 24, 4; 525-537
1896-6896
2353-1274
Pojawia się w:
Studia Ełckie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ewolucja pojęcia małżeństwa w prawie europejskim
The Evolution of the Concept of Marriage in European Law
Autorzy:
Szewczyk, Roman
Powiązania:
https://bibliotekanauki.pl/articles/512323.pdf
Data publikacji:
2019-12-30
Wydawca:
Wydawnictwo Diecezjalne Adalbertinum
Tematy:
marriage
family
redefinition
European Union
Charter of Fundamental Rights
Opis:
The path to changing the concept of marriage led through a change in the understanding of the family. The EU Charter of Fundamental Rights was intended to cover cases in which national legislation recognizes other possibilities of family formation than marriage. Thus, the entry in the Charter has been shaped in such a way as to avoid a clear response to the new issue of same-sex relationships; that is, it neither permits nor prohibits because of trends based on social movements. This does not affect the institution of marriage itself, but allows the recognition of other forms of family found in the internal regulations of the states as corresponding to marriage.
Źródło:
Studia Ełckie; 2019, 21, 4; 567-581
1896-6896
2353-1274
Pojawia się w:
Studia Ełckie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
ISTOTA I ZNACZENIE DZIAŁALNOŚCI KRAJOWEJ RADY SĄDOWNICTWA
THE NATURE AND THE MEANING OF THE ACTIVITIES OF THE NATIONAL COUNCIL OF THE JUDICIARY
Autorzy:
Szewczyk, Roman
Powiązania:
https://bibliotekanauki.pl/articles/512391.pdf
Data publikacji:
2016
Wydawca:
Wydawnictwo Diecezjalne Adalbertinum
Tematy:
the judicial council
judges
courts
constitutional bodies
Opis:
In the article The nature and the meaning of the activities of National Coun-cil of the Judiciary we find a historic view leading to creating of this institution. The council arises as result of the reconstruction of the system in Poland and becomes a constitutional body which stands on the guard of the independence of courts and independences of judges. We find a description of the organizational structure of the institution. The Council consists of the persons fulfilling highest functions in judicial institutions nominated by the President of Poland and the group of the outstanding judges appointed in the way of the election. The competences of the Council concern the important and delicate matter of the judging. Therefore the first group of the competences of the Council refers to undertaking actions in relation to judges and candidates on judges. The second group of the competences was determined in laws and concerns undertaking of resolutions, investigating of motions and presenting of candidates on other im-portant posts in State-institutions related to the judicial power. The National Council of the Judiciary in the matter of the own organization has the total au-tonomy and through this has an independent position in the political system of the state. This rule expresses herself mainly in exclusive appointing of various internal commissions. Council committees are teams of council members which are her internal organizational units of the auxiliary character, enabling the effec-tive exercise of constitutional and statutory tasks of the Council.
Źródło:
Studia Ełckie; 2016, 18, 3; 269 - 284
1896-6896
2353-1274
Pojawia się w:
Studia Ełckie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
ISTOTA WPROWADZENIA KARTY LAICKOŚCI SZKOŁY FRANCUSKIEJ
SIGNIFICANCE OF THE SECULARISM CHARTER OF THE FRENCH SCHOOL
Autorzy:
Szewczyk, Roman
Powiązania:
https://bibliotekanauki.pl/articles/512708.pdf
Data publikacji:
2016
Wydawca:
Wydawnictwo Diecezjalne Adalbertinum
Tematy:
schooling in France
secularism
secularism of the schools
the Charter of Secularism in the schools in France
Opis:
The French Revolution sought to discover the way to view freedom. At the end of the Revolution, they proclaimed the Declaration of the Rights of Man and of the Citizen. In French society, these fruits of the Revolution were con-sidered something sacred. Paradoxically, in a country that did so much to cleanse public life of religious factors, the same state has begun to create a religion of the state. All of the process after the Revolution, in particular, the Law of 1905 regarding the separation between the state and the church, has fortified the idea of secularism in French society. This process of the state was introduced in the schools because they wished to construct a society which was entirely secular which believed in the values of the Republic. They therefore made divisions between the public schools and the private ones. The public schools had a secular and a national character. The substantial difference be-tween the schools was that in the public schools, the teaching of religion as a separate subject was expelled and the religious issues in the teaching curricu-lum was reduced to the minimum. It appeared only as a background in the his-torical issues. Commenting on the Charter of Secularism, I seek to respond to the ques-tion – what happened which caused them to introduce this Charter of Secular-ism in the schools? We find the first response in the actions of the young peo-ple who want to be respected along with having their religious systems respect-ed. Such problems arose when the French introduced the prohibition of reli-gious symbols. However, the prohibitions did not resolve the problem. They therefore invented and introduced the Charter of Secularism of the French School. This is a kind of new way of presenting the idea of secularism to the students. The Charter was implemented as a way of reinforcing the prohibitions which had been previously introduced. It repeats the ideas which have been presented in the schools since the end of the French Revolution. Looking at the Charter, we have the impression that it is simply a repetition of the same phrases – that it is pure theory that has nothing in common with the reality. However, the French Ministry of Education always creates new initiatives which promote the presence of secularism in the schools. Unfortunately how-ever, they do not look at the problems of the young people. They don’t want to understand their identities and especially, their religious identities.
Źródło:
Studia Ełckie; 2016, 18, 2; 115- 130
1896-6896
2353-1274
Pojawia się w:
Studia Ełckie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Jak ważnie zawrzeć małżeństwo?
How Can Marriage Be Celebrated Validly?
Autorzy:
Szewczyk, Roman
Powiązania:
https://bibliotekanauki.pl/articles/512438.pdf
Data publikacji:
2011
Wydawca:
Wydawnictwo Diecezjalne Adalbertinum
Tematy:
marriage
Church
Opis:
Throughout the ages the Church has taken care of marriage peculiarly. Its concern has taken many forms where the legal one was the most evident. Therefore there is a system of conjugal law which is subordinated to the aim of the Church. It concludes in a principle that there can not be any valid conjugal contract which is not a sacrament in the same time. The article presents the conditions which have to be met to celebrate marriage validly.
Źródło:
Studia Ełckie; 2011, 13; 369-387
1896-6896
2353-1274
Pojawia się w:
Studia Ełckie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Kierunki reform systemu finansowania jednostek samorządu terytorialnego
Autorzy:
Szewczyk, Roman
Soboń, Dariusz
Powiązania:
https://bibliotekanauki.pl/articles/2156764.pdf
Data publikacji:
2008
Wydawca:
Instytut Studiów Międzynarodowych i Edukacji Humanum
Źródło:
Społeczeństwo i Edukacja. Międzynarodowe Studia Humanistyczne; 2008, 2; 165-171
1898-0171
Pojawia się w:
Społeczeństwo i Edukacja. Międzynarodowe Studia Humanistyczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Kościoły i związki wyznaniowe a prawo traktatowe Unii Europejskiej
Churches and Religious Associations in the Treaty Law of European Union
Autorzy:
Szewczyk, Roman
Powiązania:
https://bibliotekanauki.pl/articles/512426.pdf
Data publikacji:
2011
Wydawca:
Wydawnictwo Diecezjalne Adalbertinum
Tematy:
Church
religious association
treaty law
European Union
Opis:
The article reveals that the European Union did not formulate any uniformal model of its relation with Churches and religious associations. Religion is not a hot interest of the EU which declares to be religiously neutral. However, for many years when its structures were under construction there were created mechanisms which determine how to deal with Churches and religious associations. In time those mechanisms found their reflection in treaty law and were sanctioned as relations between institutions of Churches and EU. The article presents basic principles of the relation between Churches and EU, and items of the treaty law of EU which institutionalize that relation.
Źródło:
Studia Ełckie; 2011, 13; 353-368
1896-6896
2353-1274
Pojawia się w:
Studia Ełckie
Dostawca treści:
Biblioteka Nauki
Artykuł

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